藻碳酸盐

Algae seem harmless enough. These precursors to plants thrive throughout the world's waters. But these single-celled plants have global consequences. We can thank them for oxygen in the atmosphere, oil in the lithosphere as well as dead zones in the

发表于:2019-01-08 / 阅读(117) / 评论(0) 分类 Scientific American(十一)月

AS IT IS 2014-08-10 Increase in Algae Population Infects Waterways 藻类群体的增加污染水道 The American city of Toledo, Ohio faced a serious problem earlier this month. Four hundred thousand people could not drink from the citys public wate

发表于:2019-01-12 / 阅读(71) / 评论(0) 分类 2014年VOA慢速英语(八)月

查尔斯摩尔船长是Algalita海洋研究基金会的创始人,他第一次发现了大太平洋垃圾带一片无边无际漂浮着塑料垃圾的海域。现在,他为我们讲述大海面临的日益严重的塑料碎片污染问题。

发表于:2019-02-05 / 阅读(71) / 评论(0) 分类 TED公开课:环境 重造计划

日常生活中,意外伤害很难避免。如果我们不及时救治或者操作不当的话,很可能会对自身或者他人的身体造成伤害,所以,掌握一些急救常识非常必要。下面我们来看一段关于学习急救的对

发表于:2019-02-26 / 阅读(121) / 评论(0) 分类 英语口语
学英语单词
abscopal
altitude record
alveolar canal
andesitic
antiexport
appointments
asymmetric communications
atturn
automatic feed-rate control system
Beckman spectrometer
believe
binuclear
blast air bottle
Boldogkovaralja
Brij30
broken promises
cabinet piano
capital devidend
chrome complex dye
cliffhanging
CN or CIN
colour sense
common program interface
compressor flow
conceders
costal type
crimetime
cross country vehicle
cutter point width
deathmatches
decompacts
decontracts
deep hatch coaming
density-concentration
disk head seek
dynamic adjustment
east west
ecophysical
farecards
fernald
feudalizing
full pointed rivet
general government consumption expenditure
heringtons
impenitent
in the west
income-baseds
Ixora chinensis
Japanese spurge
Jun.
karmalloy
liquid developer
load carrying construction
logotherapy
low-ph
lungar
make an evening of it
male frog test
mendozite
methopyranorin
MHA (maximum hypothetical accident)
microcomputer
natural fertility
non-farms
optical direction and ranging
outward line
page up
paisa
periodic pulse
phenergans
plagiarises
poppywort
prised
psychoda savaiiensis
quartz-crystal watch
Ramses I
ramus ophthalmicus superfic. n. trigem.
regulatory reform
rose-bay
roseager
rough cut
royal naval air service
Scotify
station break
Taungbon
Telefunken process
telemann
tetraxes
the tube
third epistel of johns
time of equilibrium
tribuneships
tulunasia
Turnerella
ueshima
underdiagnosing
vasculolymphatic nervous sphincter
vitreous aggregate
wave-trap
wheel dog
widely-distributed
yttrocerite